callback

noun8

1. •
   A return telephone or radio call; especially one made automatically to authenticate a logon to a computer network.

   • For example, multiple callbacks might be made to a nonanswered number to increase the response rate. — 2007
2. •
   A follow-up audition in casting.
3. •
   A follow-up interview in employment recruiting.
4. •
   A function pointer passed as an argument to another function.

   • Historically, all viable frameworks have always provided a mechanism to implement callbacks. C# goes one step further and encapsulates callbacks into callable objects called delegates. — 2010
5. •
   The return of a situation to a previous position or state; a reference to such a position or state.
6. •
   A joke which references an earlier joke in the same routine.
7. •
   A product recall because of a defect or safety concern.
8. •
   A form of audience participation in which the audience shout lines in response to the dialog of a film.

   • Apparent on this disc is the problem that plagues every recording of the score: Without an audience full of rowdy geeks screaming out callbacks, Rocky Horror feels incomplete. — 2004